mobile app developers seattle

Top 10+ Software Development Companies in Seattle, WA | Software Developers Seattle 2026

Last Updated 04th November 2026 | Category: Top Software Development Firms

As of November 2026, this directory tracks 58 Software Development companies. Hyperlink InfoSystem currently sits at the top of the list (5.0-star average from 497 verified reviews, $25 - $49 / hr, in business since 2011). Looking at the group as a whole, the midpoint hourly rate is $125, the median rating is 4.8, and 34% report a team of 50 or more. Most frequently listed specialties here include Mobile App Development, Software Development, Web Development, and Bot Development.

Every company on this page is evaluated on the same real signals: how clients have rated their work, what they charge per hour, how big their team is, and how long they've been in business. Clients rate these software development firms 4.9/5 on average. $100 - $149 / hr is the most common rate band. Roughly 34% of the companies listed report a headcount of 50 or more. Before reaching out to any shortlisted firm, it's worth cross-checking its review history and portfolio directly - every listing is manually checked (founding year, services, team size) and reviews go through a moderation step before they go live.

58
Verified Firms
$100 - $149 / hr
Most Common Rate
4.9
Average Rating
34%
Have 50+ Employees
How this list is built: Companies are added only after manual research into their foundation year, service offerings, ratings, and employee strength. Client reviews go through a verification step before being marked Verified and shown publicly. Listings marked Sponsored pay for premium placement — sponsorship does not affect star ratings or review content.

Top-Ranked Software Development Companies

Compare the highest-ranked firms first side by side.

Rank Company Rating Reviews Hourly Rate Team Size Founded Headquarters Action
1 5.0 497 $25 - $49 / hr 1,000 - 9,999 2011 Jersey City, NJ Visit Profile
2 4.8 8 $25 - $49 / hr 50 - 249 2015 Hallandale Beach, FL Visit Profile
3 4.8 8 $50 - $99 / hr 10 - 49 2008 — Visit Profile
4 4.7 8 $150 - $199 / hr 50 - 249 N/A Pyrmont, Australia Visit Profile
5 4.6 8 N/A 10 - 49 2010 — Visit Profile
6 4.6 7 $100 - $149 / hr 50 - 249 2007 — Visit Profile
7 4.5 7 $100 - $149 / hr 10 - 49 2013 San Antonio, TX Visit Profile
8 4.5 7 $100 - $149 / hr 10 - 49 2012 Denver, CO Visit Profile
9 4.2 6 $50 - $99 / hr 10 - 49 2015 — Visit Profile
10 4.1 7 $150 - $199 / hr 10 - 49 2008 Chicago, IL Visit Profile

The List of Top 10+ Software Development Companies In Seattle, Washington | Top Software Developers Seattle, WA November 2026

2015
$50 - $99
10 - 49
$5,000,000+
Mobile App Development Wearable App Development UI-UX Design Custom Software Development Internet of Things
2007
$25 - $49
50 - 249
$5,000,000+
Content Management System E-commerce Development Enterprise App Development Internet of Things Mobile App Development Web Development
2015
$50 - $99
2 - 9
$100,000+
Mobile App Development Web Development UI-UX Design Custom Software Development Web Design Digital Strategy Blockchain Development
2014
$25 - $49
10 - 49
$50,000+
Mobile App Development Web Development UI-UX Design Custom Software Development Web Design E-commerce Development
2012
$25 - $49
2 - 9
$10,000+
Mobile App Development Web Development UI-UX Design Web Design Internet of Things E-commerce Development SEO
1999
$100 - $149
50 - 249
$25,000+
Web Development UI-UX Design Custom Software Development Web Design iOS App Development iPhone App Development
2010
N/A
10 - 49
$100,000+
Mobile App Development Web Development Social Media Marketing SEO Logo Designing
2014
$50 - $99
50 - 249
$10,000+
AR App Development Custom Software Development Game Development Mobile App Development SEO Social Media Marketing VR App Development Wearable App Development Web Development
2014
$100 - $149
2 - 9
$2,500,000+
Mobile App Development Web Development UI-UX Design Custom Software Development Chat Bots & AI Development Web Design E-commerce Development Digital Strategy
2000
N/A
10 - 49
$100,000+
Mobile App Development Web Development UI-UX Design Web Design SEO Content Management System
2008
$150 - $199
50 - 249
$100,000+
Mobile App Development Web Development VR App Development Wearable App Development UI-UX Design Custom Software Development Web Design Internet of Things Enterprise App Development Game Development Mobile App Design
2010
$150 - $199
10 - 49
$25,000+
Mobile App Development Wearable App Development UI-UX Design Custom Software Development Branding Content Management System
2011
N/A
10 - 49
$100,000+
Mobile App Development Web Development UI-UX Design Custom Software Development Enterprise App Modernization Web Design Internet of Things
2008
N/A
2 - 9
$2,500,000+
Mobile App Development Web Development Web Design Branding E-commerce Development Social Media Marketing Internet Marketing
4.8 6 Reviews
2000
$25 - $49
50 - 249
$10,000+
Mobile App Development Web Development UI-UX Design Custom Software Development Web Design iOS App Development iPhone App Development
2014
N/A
N/A
$10,000+
Mobile App Development Web Development Web Design Social Media Marketing SEO
2008
$150 - $199
10 - 49
$25,000+
Mobile App Development Web Development E-commerce Development
2007
$25 - $49
500 - 999
$25,000+
Mobile App Development UI-UX Design Internet of Things Big Data Enterprise App Development Cloud Computing Software
1996
$100 - $149
10 - 49
$100,000+
Mobile App Development Web Development UI-UX Design Web Design Social Media Marketing SEO
Loading Leader Matrix…
Loading World Map…
Loading Pricing Heatmap…
Loading Budget & Pricing…

Compare Firms Side by Side

Pick 2 to 4 companies to compare their ratings, pricing, and team size.

Select Company
Select at least 2 companies
Why Choose Us

Why Businesses Trust Top Software Companies

Top Software Companies helps organizations identify experienced software development firms capable of building scalable, secure, and business driven software solutions. Whether you're looking for enterprise software, SaaS platforms, CRM systems, ERP solutions, or custom applications, we help simplify your search.

Trusted Software Providers

Our directory showcases software companies with strong technical capabilities, successful project delivery records, and expertise across multiple industries.

Comprehensive Company Profiles

Review company backgrounds, software expertise, development methodologies, technology stacks, pricing information, client reviews, and project portfolios from one convenient platform.

Business Focused Comparison

Compare software vendors based on business needs, industry expertise, development approach, company size, and customer satisfaction to identify your ideal technology partner.

Direct Communication

Connect directly with shortlisted software development companies to discuss project requirements, receive proposals, and begin your digital transformation journey.

Top Companies in Seattle

Top Blockchain Development Companies In Seattle, WA
Top Cryptocurrency Development Companies In Seattle, WA
Top DevOps Companies In Seattle Washington
Top IoT Development Companies In Seattle, WA
Top Metaverse Development Companies In Seattle, WA
Top Mobile App Development Companies In Seattle, WA
Top NFT Marketplace Development Companies In Seattle, WA
Top Salesforce Development Companies In Seattle, WA
FAQ

Frequently Asked Questions

Got questions about our specialized technology solutions? We have the answers to help you make informed decisions.

Enterprise-ready Software Development companies in Seattle tend to look different from smaller shops in a few specific ways: named project leads instead of rotating contacts, documented change-management processes, and infrastructure experience that goes beyond a single client's traffic level. Many carry ISO or SOC-type certifications as a baseline, but the real signal is whether they can describe a past engagement of comparable scale in concrete detail. A Software Development firm in Seattle that hesitates on that question probably hasn't done it before.

Outsourcing to Seattle is routine at this point, but it still deserves the basics done properly: a signed NDA, a clear clause on who owns the IP once it's built, and an understanding of what happens if either side wants to walk away mid-project. Established Software Development companies in Seattle will have handled these terms many times before and shouldn't push back on any of them — hesitation there is itself a useful signal.

There's no single number here — a Software Development company in Seattle might quote a few thousand dollars for a narrow, well-defined build and a much larger figure for a full product with integrations and ongoing support. The only way to get a real answer for your situation is to send the same brief to a handful of Software Development firms in Seattle and compare the itemized breakdowns, not just the bottom-line total.

The firms that rank well among Software Development companies in Seattle typically have verifiable client references, a track record of finished (not just started) projects, relevant certifications, and consistently positive feedback across multiple engagements — not just one standout case study. Self-reported claims with nothing to back them up carry little weight here; documented outcomes do.

Look past the pitch deck: read the portfolio for technical substance, check independent reviews rather than the testimonials on the company's own site, and ask for a reference from a project similar in scope to yours. Then ask directly how they handle QA and what happens when a bug slips through after delivery. A Software Development company in Seattle that's confident in its process will answer that last question specifically, not with a vague reassurance.

The better Software Development companies in Seattle don't disappear after handover — expect ongoing options like performance monitoring, security patching, feature iteration based on real usage data, and a maintenance retainer that keeps the product stable as it grows. A Software Development partner in Seattle that stays engaged post-launch is usually the one that ends up delivering more value over the life of the product than the initial build itself.

Software Development companies in Seattle known for reliable delivery usually share a few habits: established agile processes, experienced project managers rather than junior coordinators, and reusable components that cut down on repeated work. Ask a shortlisted Software Development firm in Seattle directly for their on-time delivery rate and how they've handled a project that started slipping — the answer to the second question is usually more revealing than the first.
Get Listed